Alibaba.com offers 32,903 spanner products. such as free samples, paid samples. There are 31,736 spanner suppliers, mainly located in Asia. The top supplying countries are China (Mainland), United Arab Emirates, and India, which supply 88%, 5%, and 2% of spanner respectively. Spanner products are most popular in North America, Domestic Market, and Western Europe. You can ensure product safety by selecting from certified suppliers, including 10,252 with ISO9001, 3,157 with Other, and 1,539 with ISO14001 certification.